S K Industries offers Automatic or Manual Operated Roll-O-Matic Filter. S K Industries is an ISO 9001: 2000 accredited company. The Automatic or Manual Operated Roll-O-Matic Filter is a primary stage filter used as pre filter in manmade fibres, Fertilizer, Steel, Automotive Industries and general ventilation. The Roll-O-Matic Filter can be driven automatically with media run out switch and also manually with replacement rolls available in Glass fibre and Synthetic media.